usr/src/cmd/dtrace/test/tst/common/privs/tst.noprivdrop.ksh

   1 #
   2 # CDDL HEADER START
   3 #
   4 # The contents of this file are subject to the terms of the
   5 # Common Development and Distribution License (the "License").
   6 # You may not use this file except in compliance with the License.
   7 #
   8 # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9 # or http://www.opensolaris.org/os/licensing.
  10 # See the License for the specific language governing permissions
  11 # and limitations under the License.
  12 #
  13 # When distributing Covered Code, include this CDDL HEADER in each
  14 # file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15 # If applicable, add the following below this CDDL HEADER, with the
  16 # fields enclosed by brackets "[]" replaced with your own identifying
  17 # information: Portions Copyright [yyyy] [name of copyright owner]
  18 #
  19 # CDDL HEADER END
  20 #
  21
  22 #
  23 # Copyright (c) 2011, Joyent, Inc. All rights reserved.
  24 #
  25
  26 ppriv -s A=basic,dtrace_user $$
  27
  28 #
  29 # We expect some number of these profile probes to be silently dropped.
  30 # Note that this test will fail if something is stuck on all CPUs that
  31 # whomever is running the test happens to own.
  32 #
  33 count=$(/usr/sbin/dtrace -q -s /dev/stdin <<EOF
  34 BEGIN
  35 {
  36         start = timestamp;
  37         @ = count();
  38 }
  39
  40 ERROR
  41 {
  42         exit(1);
  43 }
  44
  45 profile-1000hz
  46 {
  47         @ = count();
  48 }
  49
  50 tick-10ms
  51 {
  52         ticks++;
  53 }
  54
  55 tick-10ms
  56 /ticks > 100/
  57 {
  58         printa("%@d", @);
  59         exit(0);
  60 }
  61 EOF)
  62
  63 cpus=`psrinfo | grep -- on-line | wc -l`
  64 max=`expr $cpus \* 500`
  65
  66 if [[ $count -gt $max ]]; then
  67         echo "count ($count) is greater than allowed max ($max)"
  68         exit 1
  69 fi
  70
  71 echo "count ($count) is within allowed max ($max)"
  72 exit 0